机电液一体化集土式扩底钻机具的研制与试验
Exploration Engineering(Rock & Soil Drilling and Tunneling)(2019)
Abstract
针对机械式扩底钻具存在扩孔与取土、清孔分离,工序复杂,孔内沉渣难以清理干净,施工效率低,扩孔质量、精度无法保证等问题,研制了机电液一体化集土式扩底钻机具.重点研究集土式扩底钻进施工工艺,集土式扩底钻具的机械结构设计、液压系统和电气控制系统设计,并进行机电液一体化集成试验.结果表明机电液一体化集土式扩底钻机具集扩孔、集土功能于一体,扩底直径准确、扩孔精度高,减少工艺步骤,提高工作效率,满足旋挖钻进扩底桩的施工需求,实现智能化扩底钻进.
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